In a Business Class,25% of the Students Have Never Taken

question 54

Multiple Choice

In a business class,25% of the students have never taken a statistics class,35% have taken only one semester of statistics,and the rest have taken two or more semesters of statistics.The professor randomly assigns students to groups of three to work on a project for the course.What is the probability that the first group mate you meet has studied some statistics?

• A)0.65
• B)0.60
• C)0.35
• D)0.40
• E)0.75

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Definitions:

Myelinated Axons

Axons that are covered by a fatty sheath called myelin, which increases the speed of electrical impulses along nerve cells.

Cell Bodies

The part of a neuron that contains the nucleus and most of the cytoplasm and organelles, responsible for the cell's metabolic activities.

Dendrites

Extensions of a neuron that receive signals from other neurons and conduct them toward the cell body.

Nerve Fibers

Extensions of nerve cells that transmit electrical impulses between different parts of the body, essential for communication within the nervous system.